It Looks Like Your Average Bridge, But Something About It Will Leave You Speechless BY Toni | Sponsored Insight Oct 17, 2014 04:25 PM EDT The Jiaozhou Bay Bridge in China opened in 2011 after four years of construction. It is the longest sea bridge in the world, extending almost 27 miles, of which 97% is over water. The bridge links the port city of Qingdao to the island of Huangdao.